rlsa-2026:93443

{
  "affected": [
    {
      "database_specific": {
        "source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:93443.json"
      },
      "package": {
        "ecosystem": "Rocky Linux:9",
        "name": "thunderbird",
        "purl": "pkg:rpm/rocky-linux/thunderbird?distro=rocky-linux-9&epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "AppStream"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:153.5.0-1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "database_specific": {
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:93443"
  },
  "details": "Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nSecurity Fix(es):\n\n* libexpat: denial of service via crafted XML input (CVE-2026-45186)\n\n* firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109764)\n\n* firefox: Spoofing issue in the DOM: Web Serial component (CVE-2026-109770)\n\n* firefox: Mitigation bypass in the File Handling component (CVE-2026-109783)\n\n* firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)\n\n* firefox: Use-after-free in the XML component (CVE-2026-109718)\n\n* firefox: Information disclosure in the PDF Viewer component (CVE-2026-109742)\n\n* firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)\n\n* firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)\n\n* firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)\n\n* firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)\n\n* firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)\n\n* firefox: Sandbox escape due to uninitialized memory in the DOM: Web Serial component (CVE-2026-109745)\n\n* firefox: Mitigation bypass in the File Handling component (CVE-2026-109782)\n\n* firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)\n\n* firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)\n\n* firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-109738)\n\n* firefox: Sandbox escape due to race condition in the Networking component (CVE-2026-109757)\n\n* firefox: Use-after-free in the Storage: Bucket File System component (CVE-2026-109741)\n\n* firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)\n\n* firefox: Other issue in the DOM: File component (CVE-2026-109744)\n\n* firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)\n\n* firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)\n\n* firefox: Incorrect boundary conditions in the Layout component (CVE-2026-109753)\n\n* firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)\n\n* firefox: Privilege escalation in the DOM: Navigation component (CVE-2026-109756)\n\n* firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109733)\n\n* firefox: thunderbird: Mitigation bypass in the DOM: Security component (CVE-2026-109734)\n\n* firefox: Mitigation bypass in the File Handling component (CVE-2026-109763)\n\n* firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)\n\n* firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)\n\n* firefox: Use-after-free in the DOM: Workers component (CVE-2026-109752)\n\n* firefox: Race condition in the XPCOM component (CVE-2026-109776)\n\n* firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)\n\n* firefox: Mitigation bypass in the Networking: HTTP component (CVE-2026-109760)\n\n* firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)\n\n* firefox: Information disclosure in the Storage: IndexedDB component (CVE-2026-109777)\n\n* firefox: Use-after-free in the SVG component (CVE-2026-109726)\n\n* firefox: Integer overflow in the Graphics component (CVE-2026-109730)\n\n* firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)\n\n* firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109737)\n\n* firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109766)\n\n* firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)\n\n* firefox: Site isolation issue in the Networking component (CVE-2026-109759)\n\n* firefox: Privilege escalation in the WebExtensions component (CVE-2026-109778)\n\n* firefox: Incorrect boundary conditions in the SVG component (CVE-2026-109762)\n\n* firefox: Race condition, use-after-free in the Graphics: Text component (CVE-2026-109765)\n\n* firefox: Incorrect boundary conditions in the DOM: Editor component (CVE-2026-109754)\n\n* firefox: Information disclosure in the Networking component (CVE-2026-109751)\n\n* firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109725)\n\n* firefox: Sandbox escape due to uninitialized memory in the Graphics component (CVE-2026-109712)\n\n* firefox: Use-after-free in the Graphics: Canvas2D component (CVE-2026-109711)\n\n* firefox: Frame poisoning in the Layout component (CVE-2026-109736)\n\n* firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109722)\n\n* firefox: Information disclosure in the Networking component (CVE-2026-109767)\n\n* firefox: Denial-of-service in the WebRTC component (CVE-2026-109775)\n\n* firefox: Use-after-free in the DOM: Animation component (CVE-2026-109728)\n\n* firefox: Denial-of-service in the Printing: Output component (CVE-2026-109781)\n\n* firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-109710)\n\n* firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-109731)\n\n* firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-109721)\n\n* firefox: Privilege escalation in the Panning and Zooming component (CVE-2026-109743)\n\nBug Fix(es) and Enhancement(s):\n\n* Thunderbird ESR 153 rebase [rhel-9.8.z] (JIRA:Rocky Linux-175199)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "RLSA-2026:93443",
  "modified": "2026-11-03T12:30:03.466920342Z",
  "published": "2026-11-03T12:05:01.276494Z",
  "references": [
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      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:93443"
    },
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  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: thunderbird security, bug fix, and enhancement update",
  "upstream": [
    "CVE-2026-109704",
    "CVE-2026-109705",
    "CVE-2026-109706",
    "CVE-2026-109707",
    "CVE-2026-109708",
    "CVE-2026-109709",
    "CVE-2026-109710",
    "CVE-2026-109711",
    "CVE-2026-109712",
    "CVE-2026-109713",
    "CVE-2026-109715",
    "CVE-2026-109716",
    "CVE-2026-109717",
    "CVE-2026-109718",
    "CVE-2026-109719",
    "CVE-2026-109720",
    "CVE-2026-109721",
    "CVE-2026-109722",
    "CVE-2026-109723",
    "CVE-2026-109724",
    "CVE-2026-109725",
    "CVE-2026-109726",
    "CVE-2026-109727",
    "CVE-2026-109728",
    "CVE-2026-109729",
    "CVE-2026-109730",
    "CVE-2026-109731",
    "CVE-2026-109732",
    "CVE-2026-109733",
    "CVE-2026-109734",
    "CVE-2026-109736",
    "CVE-2026-109737",
    "CVE-2026-109738",
    "CVE-2026-109740",
    "CVE-2026-109741",
    "CVE-2026-109742",
    "CVE-2026-109743",
    "CVE-2026-109744",
    "CVE-2026-109745",
    "CVE-2026-109751",
    "CVE-2026-109752",
    "CVE-2026-109753",
    "CVE-2026-109754",
    "CVE-2026-109756",
    "CVE-2026-109757",
    "CVE-2026-109759",
    "CVE-2026-109760",
    "CVE-2026-109762",
    "CVE-2026-109763",
    "CVE-2026-109764",
    "CVE-2026-109765",
    "CVE-2026-109766",
    "CVE-2026-109767",
    "CVE-2026-109770",
    "CVE-2026-109775",
    "CVE-2026-109776",
    "CVE-2026-109777",
    "CVE-2026-109778",
    "CVE-2026-109781",
    "CVE-2026-109782",
    "CVE-2026-109783",
    "CVE-2026-45186"
  ]
}